[    2.730051] ip (293) used greatest stack depth: 12384 bytes left
[   51.351456] ip (2410) used greatest stack depth: 12368 bytes left
[   63.404924] netem: version 1.3
[   72.343766] ip (3006) used greatest stack depth: 12128 bytes left
[  635.361649] tc (15683) used greatest stack depth: 11936 bytes left
[  700.576422] pm_nl_ctl (18829) used greatest stack depth: 11856 bytes left